50511132499 has 4 divisors (see below), whose sum is σ = 50731705360. Its totient is φ = 50290559640.

The previous prime is 50511132467. The next prime is 50511132599. The reversal of 50511132499 is 99423111505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50511132499 - 2⁵ = 50511132467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50511132449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110286087 + ... + 110286544.

It is an arithmetic number, because the mean of its divisors is an integer number (12682926340).

Almost surely, 2^50511132499 is an apocalyptic number.

50511132499 is a deficient number, since it is larger than the sum of its proper divisors (220572861).

50511132499 is a wasteful number, since it uses less digits than its factorization.

50511132499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220572860.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 50511132499 in words is "fifty billion, five hundred eleven million, one hundred thirty-two thousand, four hundred ninety-nine".